Bible Dictionary
Adultery
Adultery is sexual unfaithfulness to a marriage covenant and is condemned as a serious sin in Scripture. The prophets also use it figuratively for idolatry and unfaithfulness to God.
Biblical Usage
Adultery is prohibited by the seventh commandment and is condemned throughout Scripture. The prophets use it figuratively for idolatry, apostasy, and unfaithfulness to God. Jesus also exposes the inward intent of adultery by condemning lustful looking. Adultery was regarded as a ground for divorce in the stricter interpretation of the law.
Scripture References